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    The effects of lutein/ zeaxanthin (Lute-gen®) on eye health, eye strain, sleep quality, and attention in high electronic screen users: a randomized, double-blind, placebo-controlled study by A. L. Lopresti, A. L. Lopresti, S. J. Smith

    Published 2025-02-01
    “…BackgroundLutein and zeaxanthin are fat-soluble antioxidant nutrients that have evidence of beneficial effects on vision and eye health.PurposeExamine the effects of supplementation with lutein and zeaxanthin isomers (Lute-gen®) on eye health, eye strain, sleep quality, and attention in high electronic screen users.Study designTwo-arm, 6-month, parallel-group, randomized, double-blind, placebo-controlled trial.MethodsSeventy volunteers aged 18 to 65 who used electronic screens for more than 6 h daily were supplemented with 10 mg of lutein and 2 mg of zeaxanthin-isomers or a placebo. …”
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  4. 884

    Effect of transcranial direct current stimulation on postoperative sleep disturbance in older patients undergoing lower limb major arthroplasty: a prospective, double-blind, pilot, randomised controlled trial by Chunyan Li, Jie Yang, He Liu, Wen Tan, Song Zhang, Hongxing Zhang, Yuan Han, Mingshu Tao, Rongguang Liu, Jiaxing Fang, Dexian Chen, Qi Wei, Xingyu Xiong, Wenxin Zhao, Junli Cao

    Published 2024-04-01
    “…The primary outcomes were the objective sleep measures on postoperative nights (N) 1 and N2.Results 116 inpatients were assessed for eligibility, and a total of 92 patients were enrolled; 47 received a-tDCS and 45 received s-tDCS. tDCS improved PSD by altering the following sleep measures in the a-tDCS and s-tDCS groups; the respective comparisons were as follows: the promotion of rapid eye movement (REM) sleep time on N1 (64.5 (33.5–105.5) vs 19.0 (0.0, 45.0) min, F=20.10, p<0.001) and N2 (75.0 (36.0–120.8) vs 30.0 (1.3–59.3) min, F=12.55, p<0.001); the total sleep time on N1 (506.0 (408.0–561.0) vs 392.0 (243.0–483.5) min, F=14.13, p<0.001) and N2 (488.5 (455.5–548.5) vs 346.0 (286.5–517.5) min, F=7.36, p=0.007); the deep sleep time on N1 (130.0 (103.3–177.0) vs 42.5 (9.8–100.8) min, F=24.4, p<0.001) and N2 (103.5 (46.0–154.8) vs 57.5 (23.3–106.5) min, F=8.4, p=0.004); and the percentages of light sleep and REM sleep on N1 and N2 (p<0.05 for each). …”
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